The coke oven carbonization chamber adopts a building block design, which is convenient for masonry and maintenance. The furnace walls are made of thin-walled silicon carbide bricks, which shortens the oven time and the coking cycle. The 40kg test coke oven adopts programmed temperature control heating and has a good working interface. automatic-horizontal-band-saw-for-profile-gz4250h  The heating system can be set as needed. When connected to the computer, various test parameters can be displayed, recorded and printed. Experiments have shown that the center temperature curve of the coke cake of the JL-40 test coke oven is similar to the center temperature curve of the coke cake of the production coke oven.automatic-horizontal-band-saw-for-profile-gh4260-80.html  The JL-40 test coke oven is a relatively advanced coking research equipment. Its main function is to conduct coking tests by mixing various coals in a certain proportion according to the coal resources for coking and the quality requirements of the coke. The coal blending test is to: (1) find a coal supply base for the new coking plant and determine an economical and reasonable coal use plan; special-sawing-machine-copper-wire-cutting-unit  (2) conduct coal quality identification of coal from newly put into operation and newly used coal, and evaluate its coking properties and its role in coal blending and coking in order to rationally utilize coking coal resources and expand the coking coal base; (3) adjust the production coal blending plan according to the coal supply situation to ensure coke quality; (4) inspect coking coal preparation and The effect of the new coking process.special-sawing-machine-gb4240-60

1 Preparation before starting the furnace (1) Check whether the lifting mechanism of the furnace cover, the operation of the fan and the lubrication condition are in good condition.high-speed-circular-sawing-machine-hy-100nc  (2) Check whether the electrical parts of the equipment are normal, whether the furnace cover is well grounded, and whether there is a short circuit or open circuit in the electric heating element. (3) Check whether the furnace temperature instrument and thermocouple are normal. (4) Check whether the oil dripper or gas flow meter is intact and normal.high-speed-circular-sawing-machine-hy-85nc  (5) If the fan bearing of the furnace cover has been modified into a circulating cooling water cooling structure, check whether the cooling water circulation is normal. (6) Clean the dust accumulation in the furnace tank, check whether there are cracks or other abnormal phenomena in the furnace tank, and clean other parts of the pipeline. (7) Check whether each valve is closed and whether there is any leakage.Atmospheric Pressure and Vacuum Sintering of High Purity Dense MgO Ceramics (8) Check whether the lifting equipment and spreaders are complete and intact. (9) Check whether the furnace cover sealing materials are complete and intact. (10) Prepare tools and fixtures.Process optimization of alumina ceramic sintering technology (11) Reserve auxiliary materials, such as kerosene, methanol, samples and other materials. (12) Prepare fire extinguishing equipment. (13) Purge the furnace tank with compressed air before heating up. (14) Do not tighten the furnace cover bolts during heating.

The vertical weight of clinker is one of the references for evaluating the quality of clinker and the firing temperature in the kiln (mainly the temperature of the firing zone). By measuring the weight per liter of clinker particles with a particle size of 5mm-7mm, the weight per liter can be determined. The kiln condition is evaluated.vertical-metal-band-sawing-machine-g5315-g5325-g5340  Pour the clinker manually taken out from the clinker chain bucket machine onto the sieve, start the vibration motor, and sieve the vibrating screen so that the clinker smaller than 7mm leaks into the 5mm sieve through the sieve holes until the cooked material passes through the 5mm sieve every minute. vertical-metal-band-sawing-machine-cv-series  When the material does not exceed 30g, stop the vibration motor and pour the clinker remaining on the 7mm sieve. Pour the clinker with a vertical diameter of 5~7mm remaining on the 5mm sieve into the lifting cylinder, and use a glass plate to lift the clinker. vertical-band-saws  Scrape off the clinker coming out of the mouth of the lifting cylinder to make it level with the surface of the lifting cylinder, and then weigh it.Note: Clean the sieve holes of the vibrating screen frequently to ensure that the sieve holes are clear.cnc-horizontal-metal-band-sawing-machine-gz4265

Cold-rolled strip steel products are one of the important products widely used in all walks of life in our country's national economy, and are also the main products in our steel industry. The material properties, geometric dimensions and surface quality of cold rolled strip products are the main indicators to measure their quality. Vacuum heat treatment process optimization of reducer gear shaft  Nowadays, the material properties and geometric dimensions of cold-rolled strip steel products can basically achieve satisfactory results. However, with the continuous improvement of surface quality requirements in the automobile, home appliance and other industries, its surface quality has become a bottleneck that plagues many steel mills. Vacuum Heat Treatment for Gear Manufacturing question. Because the final surface quality of strip steel products will be affected by many links and factors such as equipment accuracy, process parameters, operating skills, production environment, warehousing and transportation, etc.,Application example of vacuum heat treatment technology in mold it is very difficult to improve and maintain stable quality levels. Many steel mills have also proposed the research topic of cold-rolled strip surface 2.0 to improve the surface quality of strip steel and meet the growing user market demand.Powder Metallurgy Gear Manufacturing Process

Answer: First open the adjustment mode: (1) From the front room to the back room, press the forward button F3 of the pusher until the signal light 1 of the material hook hooked to the tray lights up, and then press the back button F4 of the push-pull device to move the tray Pull out until the material tray reaches the pulling position, Applied Crack Repair Technology of Vacuum Brazing  the material hook is unhooked [unhook light 2 lights up] press F5 to open the middle door, press F3 to push the material tray into the back room, push it to the position and 4 lights up, the material hook returns to 5, The middle door is closed, the material hook returns to the original position, and the action stops. Vacuum Heat Treatment of Carbon Boron Steel Fasteners  (2)The material tray goes from the back room to the front room, firstly raise the lifting platform, press the F3 material hook to 11, open the middle door, stop the material hook to 4, then press F3, Correct use and maintenance of vacuum brazing furnace  (3)the material hook to the 13 grabbing position, Press F4, the material hook reaches 14, close the middle furnace door, the lifting table goes down to the oil tank, and the material hook returns to the original position.Influence of Vacuum Brazing Process on Microstructure of Tungsten and Steel

Crude benzene tube furnace is a commonly used chemical equipment, mainly used in the rectification and separation process in the petrochemical industry. Its working principle is to use heat exchange to heat the raw material to the evaporation temperature, and then condense the steam into liquid through the condenser.Alumina ceramic densely sintered The main components of crude benzene tube furnace include heating furnace, evaporator, condenser and fractionation tower. First, the raw material enters the heating furnace through the feeding pipe, and is heated by the heating pipe in the heating furnace. Fuel or gas is passed through the heating pipe, and the heat released by fuel combustion heats the pipe wall to increase the temperature of the pipe wall, thereby heating the raw material.Vacuum Hardening Strengthening Process for Low Carbon Steel The heated raw material enters the evaporator, and the evaporator is equipped with a plurality of tubes, and a heating medium is passed around these tubes to evaporate the raw material in the tubes. During the evaporation process, the easily evaporable components in the raw material are evaporated to form steam. The steam then enters the condenser.The characteristics and working principle of vacuum heat treatment furnaces The outside of the tubes in the condenser has a cooling medium that condenses the vapor in the tubes into liquid. The steam transfers heat to the condensing medium in the condenser, increasing the temperature of the condensing medium. The raw material is discharged from the condenser in liquid form.Maintenance of Vacuum Carburizing Furnaces

The experimental electric furnace is simple to operate, small in size, and easy to carry. It can generally be installed by yourself through the manual or instructional video, and it is convenient to use.Applied Crack Repair Technology of Vacuum Brazing  The furnace is mostly made of alumina polycrystalline fiber material, which has good heat preservation effect, wide temperature range, high uniformity of furnace temperature, and can realize multi-temperature zone operation.Vacuum Heat Treatment of Carbon Boron Steel Fasteners  Adopt intelligent temperature control system, including phase-shift trigger, thyristor control, zero-crossing trigger, solid-state relay, etc., with flexible temperature control and high precision. The double-layer furnace shell is equipped with an air cooling system, which can quickly raise and lower the temperature, the surface temperature is low, the temperature rises and falls quickly, and the energy saving effect is good.Correct use and maintenance of vacuum brazing furnace  Some high-end experimental electric furnaces adopt advanced touch screen control and auxiliary system PLC control, which has the characteristics of user experimental data can be checked and experimental efficiency is high.Influence of Vacuum Brazing Process on Microstructure of Tungsten and Steel

The calciner is a device that disperses and suspends raw meal powder in the airflow, so that the fuel combustion and calcium carbonate decomposition process can occur within a short time (generally 1.5 to 3 seconds). It is a high-efficiency direct combustion solid-gas phase heat exchange device. Effect of Vacuum Annealing on Alloy Sheet In the calciner, since the combustion of the fuel is carried out simultaneously with the heat-absorbing reaction of the material in a state of intense turbulence, the fine particles of the fuel float and burn at the same time, almost turning the entire furnace into a combustion zone. Therefore, no visible flame can be formed, but it is in a state of low-temperature flameless combustion at 820-900 °C.Vacuum oil quenching and tempering spring steel wire Since its appearance in the 1970s, the calciner has developed rapidly. So far, many types have appeared. According to their structure and working principle, they can be roughly divided into the following four types.Ceramic-To-Metal Vacuum Brazing Services  The structure of the cyclone calciner is relatively simple. The structure of a typical swirl calciner is shown in the figure, which is composed of an upper swirl chamber, a lower swirl chamber and a reaction chamber. The inner surface is inlaid with refractory concrete and refractory bricks. There are 1~3 fuel nozzles in the middle of the reaction chamber, which inject fuel downward at an angle of 30°.Flux-free Vacuum Brazing of Aluminum Alloys

When the ordinary heat treatment resistance furnace is built as a whole, a groove for inserting bricks should be left at the size of the high-alumina bricks of the original heating body of the brick-built furnace. The daily maintenance is mainly to replace the furnace wires, bricks and furnace wires.Correct use and maintenance of vacuum brazing furnace  For salt bath furnace faults—salt leakage and electrode corrosion, the pouring method is used to solve the salt leakage of the furnace body; for the easy corrosion of the motor, the furnace body is poured into two bodies, that is, the electrode is poured into a stepped block separately. After the electrode is corroded, Only remove the electrode part to be replaced. Brick Furnace WayInfluence of Vacuum Brazing Process on Microstructure of Tungsten and Steel (1) Take targeted repairs, pay attention to the back wall, side wall, furnace door arch, furnace vault, etc. of the larger brick furnace not to bite each other and crush each other, so that when the partial damage does not need to be rebuilt as a whole, the griddle can be rebuilt. Repair the above parts separately.Research on Sintering Technology of Silicon Carbide Ceramic Material For example, the arch foot of the furnace does not have to be supported on the side wall, but can be supported on the arch foot beam of the steel structure on both sides of the furnace, so that the furnace wall is not subject to the force of the vault, which is beneficial to both the furnace wall and the vault. However, considering the thermal expansion of the arch foot beam, it is necessary to leave a gap. When laying vault bricks, the arch feet on both sides are symmetrically built towards the center at the same time. The lock bricks of the vault shall not be cut, and the lock bricks shall be accurately distributed according to the center line of the vault.Effect of Vacuum Annealing on Alloy Sheet

In an industrial furnace, the heat transfer process through the furnace lining is that the heat of the hot flue gas in the furnace is transferred to the furnace wall through radiation and convection. In the furnace lining, the heat is transferred from the inner wall to the outer wall in the form of conduction.Effect of Vacuum Annealing on Alloy Sheet When calculating the heat transfer of the furnace lining, in order to simplify the calculation, the following assumptions are generally made according to the actual situation: The heat conduction of the lining is stable, that is, the heat flow (or heat intensity) does not change with time;Vacuum oil quenching and tempering spring steel wire The heat conduction of the furnace lining is one-dimensional, that is, the heat is only transferred along the normal direction of the isothermal surface; The thermal conductivity of each layer of material is constant and equal to the thermal conductivity at the average temperature of the temperature on both sides of each layer of material;Ceramic-To-Metal Vacuum Brazing Services  The contact between the layers is so good that the contact surfaces of the two layers have the same temperature. When designing the furnace lining, the heat-resistant and heat-insulating materials are generally pre-selected according to the operating temperature (hot surface temperature) of the industrial furnace, and then the cold surface temperature is selected to determine the thickness of various materials to meet the system design requirements.Flux-free Vacuum Brazing of Aluminum Alloys

Strictly follow the computer program to operate and start the operation, turn on the main heating power supply (one, two, three, and four zone heating switches) respectively, and keep the continuous heating time for 6 hours. Saw Hob Vacuum Furnace Application That is: 1 hour at 150 degrees, 1 hour at 300 degrees, 1 hour at 450 degrees, 1 hour at 550 degrees, half an hour at 700 degrees, half an hour at 800 degrees, half an hour at 50 degrees per liter above 800 degrees.Flux-free Vacuum Brazing of Aluminum Alloys When the furnace temperature of the quenching furnace reaches above 200 degrees, the cooling water at the furnace mouth should be turned on (considering water saving, as long as there is a small amount of flow, the outlet water is 70 degrees).Ceramic-To-Metal Vacuum Brazing Services  When the temperature of the quenching furnace reaches above 300 degrees, the mesh belt should be turned on. When the furnace temperature of the quenching furnace reaches 500 degrees, the water circulation pump is turned on to keep the water curtain cooling in the water seal groove at the outlet of the furnace.Vacuum oil quenching and tempering spring steel wire

Tube furnace is a common heating equipment widely used in industrial production for heating, Drying and heat treatment and other fields. It is mainly composed of furnace body, burner, flue, control system, etc.Silicon carbide module silver sintering technology As a result, it can provide a high temperature and uniform heating environment, effectively improving production efficiency and quality. The temperature range of the tube furnace is very critical, it directly determines the heating effect and The quality of the heat treatment process. Generally speaking, the temperature range of the tube furnace is usually between 200 ° C and 1800 ° C, differentResearch on Sintering Technology of Silicon Carbide Ceramic Material The temperature range of tube furnaces also varies by type and size. Among them, the low temperature tube furnace generally refers to Equipment operating at temperatures between 200°C and 1000°C, such as solid waste incinerators, graphiteEffect of Vacuum Annealing on Alloy Sheet Furnace etc. The medium temperature tube furnace has a temperature range of 1000°C to 1200°C and is widely used in glass processing Engineering, metal heat treatment, ceramic firing and other fields. High temperature tube furnace with a temperature range of 1200°C to 1800°C, mainly used for high-temperature processing such as crystal growth, semiconductor preparation, and ceramic material preparationVacuum oil quenching and tempering spring steel wire field.

Tube furnace is a common heat treatment equipment, widely used in metal processing, ceramic sintering, glass manufacturing and other fields. The following are the basic steps for using a tube furnace in general:Research on Sintering Technology of Silicon Carbide Ceramic Material Preparations: Make sure the environment around the tube furnace is safe, and check whether the furnace body, heating elements and other equipment components are in good condition. Clean the furnace to remove impurities and residues that could adversely affect the heat treatment process.Effect of Vacuum Annealing on Alloy Sheet Loading materials: According to the requirements of heat treatment and the characteristics of materials, load the materials to be processed into the furnace. Ensure that materials are placed neatly and avoid touching each other or blocking the furnace.Vacuum oil quenching and tempering spring steel wire Setting heat treatment parameters: according to the type, size, requirements and purpose of heat treatment of the material, set the appropriate furnace temperature, holding time, heating rate and other parameters. These parameters will directly affect the heat treatment effect and the quality of the material.Ceramic-To-Metal Vacuum Brazing Services  Heating process: start the tube furnace, and gradually heat up to the target temperature according to the set heat treatment parameters. During the heating process, it is necessary to ensure that the heating rate is appropriate to avoid adverse effects on the material caused by too fast or too slow temperature changes.

The heat generating device of the heating mesh belt furnace usually adopts a radiant tube, which consists of a metal outer tube and a built-in squirrel cage structure.Saw Hob Vacuum Furnace Application The composition of the heating element is shown in Figure 1. Depending on the operating temperature, the material used in the radiant tube is also different.Vacuum hardened spring steel wire The metal outer tube of the radiant tube of the quenching furnace is made of SUS310S, and the maximum operating temperature can reach 1200°C. Tempering furnace The metal outer tube of the radiant tube is made of SUS304, and the maximum operating temperature can reach 800°C.Vacuum Heat Treatment Applications for Metal Machine Tools and Gear Parts The heating element with built-in squirrel-cage structure is composed of metal electric heating elements and corundum insulating ceramic sheets. Metal heating elements are also It is called resistance wire, and its commonly used materials are nickel-chromium alloy wire and iron-chromium-aluminum alloy wire.Pay Attention to Vacuum Tempering to Improve the Quality of Quenched Parts

Cold-rolled steel strip products are one of the important products widely used in all walks of life in the economy, and are also the main products in our steel industry. The material properties, geometric dimensions and surface quality of cold-rolled strip products are the main indicators to measure their quality. Vacuum hardened spring steel wire At present, the material properties and geometric dimensions of cold-rolled strip steel products can basically achieve satisfactory results, but with the continuous improvement of surface quality requirements in industries such as automobiles and home appliances, its surface quality has become a bottleneck that plagues many steel mills question. Vacuum Heat Treatment Applications for Metal Machine Tools and Gear Parts Because the final surface quality of strip steel products will be affected by many links and factors such as equipment precision, process parameters, operating skills, production environment, storage and transportation, it is very difficult to improve and maintain its quality level. Many steel mills have also proposed the research topic of cold-rolled strip surface to improve the surface quality of strip steel and meet the increasing market demand of users.Pay Attention to Vacuum Tempering to Improve the Quality of Quenched Parts Most of the cold-rolled strip products need recrystallization annealing heat treatment after cold rolling to eliminate the work hardening produced during cold rolling, so that the strip can obtain good mechanical properties and surface quality. In large-scale production, there are usually two annealing methods of continuous furnace annealing and bell furnace annealing for cold-rolled strip steel rolled hard coils.Analysis of vacuum heat treatment process for wind power products

DHG series electric blast drying oven is composed of box body, temperature control system and electric heating blast system.This series of products has the advantages of high temperature control accuracy, small overshoot, small fluctuation and deviation over-temperature protection. Vacuum hardened spring steel wire In addition, an independent over-temperature protection system can be added as needed to improve the safety performance of the product.Close the door of the box, and the handle should be vertically downward. According to the degree of humidity of the items, adjust the damper to a suitable position. Vacuum Heat Treatment Applications for Metal Machine Tools and Gear Parts The opening degree at "" is the smallest, and the opening degree at "3" is the largest (the adjustment range is 60 degrees).Turn on the power and the fan switch, the indicator light is on and the sound of the fan running can be heard; the fan must be turned on during use!Pay Attention to Vacuum Tempering to Improve the Quality of Quenched Parts The temperature controller enters the working mode after a self-test procedure of about 4 seconds, that is, the PV screen displays the measured temperature, and the SV screen displays the set temperature. When PVAnalysis of vacuum heat treatment process for wind power products

In industrial production, use the heat generated by fuel combustion, or convert electrical energy into heat energy, so as to purchase thermal equipment for various processing techniques such as smelting, heating, drying, sintering, cracking and distillation of workpieces or materials, Known as industrial furnaces.Vacuum Heat Treatment Applications for Metal Machine Tools and Gear Parts  Industrial kiln is mainly composed of furnace lining, furnace frame, heating device (such as combustion device, electric heating element), preheater, furnace front pipeline, smoke exhaust system, furnace machinery and other parts.Pay Attention to Vacuum Tempering to Improve the Quality of Quenched Parts At present, industrial furnaces are widely used in all walks of life in the national economy, such as metallurgy, building materials, chemical industry, light industry, food and ceramics and other industries. It has many varieties, high energy consumption and great influence, and is the key equipment for industrial heating. The development of its heating technology and the adoption of high-efficiency energy-saving technology have a great impact on improving product quality, reducing production costs, rationally utilizing energy, improving working conditions, and realizing civilized production.Analysis of vacuum heat treatment process for wind power products In practical application, according to different industrial furnaces and specific production process requirements, comprehensive consideration should be given to design, construction, operation, maintenance and management, and strive to meet the above basic requirements as much as possible.Vacuum Hardening Stainless Steel

Strictly follow the computer program to operate and start the operation, turn on the main heating power supply (one, two, three, and four zone heating switches) respectively, and keep the continuous heating time for 6 hours. That is: 1 hour at 150 degrees, 1 hour at 300 degrees, 1 hour at 450 degrees, 1 hour at 550 degrees, half an hour at 700 degrees, half an hour at 800 degrees, half an hour at 50 degrees per liter above 800 degrees. Analysis of vacuum heat treatment process for wind power products When the furnace temperature of the quenching furnace reaches above 200 degrees, the cooling water at the furnace mouth should be turned on (considering water saving, as long as there is a small amount of flow, the outlet water is 70 degrees). When the temperature of the quenching furnace reaches above 300 degrees, the mesh belt should be turned on. Vacuum Hardening Stainless Steel When the furnace temperature of the quenching furnace reaches 500 degrees, the water circulation pump is turned on to keep the water curtain cooling in the water seal tank at the exit of the furnace. When the temperature of the quenching furnace reaches 800 degrees, it is necessary to supply methanol and provide protective gas to the furnace (pay attention to the ignition situation to prevent explosion in the furnace), and adjust the flow rate of the flow agent. Sintering of B4C by Pressureless Liquid Phase Sintering Adjust the operating frequency of the mesh belt according to the process requirements. When the furnace reaches a given temperature, it is loaded into the mesh belt to process the product. Half an hour before the quenched product comes out, turn on the sink hoist, clean the hoist and clean the circulation pump. Turn on the heating power of the tempering furnace (tempering zone 1 and zone 2) 3 hours before the scheduled tempering furnace feedingVacuum Heat Treatment of Fasteners

The tube furnace air firing method means that before the material is baked in the tube furnace, an empty firing operation is required to remove the moisture and other impurities in the tube. The specific steps of empty burning operation are as follows:Analysis of vacuum heat treatment process for wind power products Open the intake and exhaust valves of the tube furnace to allow the air in the furnace to circulate. Turn on the power and adjust the temperature in the furnace to the set temperature. After the temperature in the furnace reaches the requirement, clean up the materials in the furnace.https://www.vacfurnace.com/technology-frontiers/pay-attention-to-vacuum-tempering-to-improve-the-quality-of-quenched-parts/  Close the intake valve and let the gas in the furnace circulate so that the oxygen and other impurities in the air in the tube can be fully burned. Maintain the temperature and time in the tube until the combustion in the tube is completely over.Close the exhaust valve and lower the temperature in the furnace to room temperature. Check whether there are residual ash and other sundries in the tube furnace, and clean them up in time.Vacuum Heat Treatment Applications for Metal Machine Tools and Gear Parts The above are the specific steps of the tube furnace empty firing method. During air firing, the temperature and time must be strictly controlled to ensure the quality of the material in the tube and the safety of the equipment in the furnace.Vacuum hardened spring steel wire

The working principle of the push rod furnace is to use the push rod to transfer the high-temperature gas in the combustion chamber to the object to be heated to make it reach the required temperature. The push rod furnace is mainly composed of a combustion chamber, a push rod and a heating zone.https://www.vacfurnace.com/technology-frontiers/pay-attention-to-vacuum-tempering-to-improve-the-quality-of-quenched-parts/  The combustion chamber is the core component of the push rod furnace, which generates high-temperature gas by burning fuel. The fuel in the combustion chamber can be natural gas, liquefied gas or solid fuel. When the fuel is burned in the combustion chamber, a large amount of heat energy is generated, which increases the temperature in the combustion chamber.Meeting standards for die vacuum heat treatment  The push rod is an important part connecting the combustion chamber and the heating zone. It is located at one end of the combustion chamber and transfers the high-temperature gas in the combustion chamber to the heating area by pushing. The material of the push rod needs to have the characteristics of high temperature resistance and corrosion resistance, usually made of high temperature resistant alloy or ceramic material.TC4 Titanium Alloy Powder Metallurgy Vacuum Sintering The heating zone is the heating part of the push rod furnace, and its function is to receive the heat energy transferred by the push rod and transfer it to the object to be heated. The heating zone is usually made of high temperature resistant material to withstand working in high temperature environment.Analysis of vacuum heat treatment process for wind power products